Home / 51,228.90-70,695.57-28,568.16

Finding the Fourth Proportional to 51,228.90, 70,695.57 and 28,568.16

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Solution

The fourth proportional to 51,228.90, 70,695.57 and 28,568.16 is: 39,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.90 : 70,695.57 = 28,568.16 : x
  2. Step 2: Convert to fraction form
    51,228.90/70,695.57 = 28,568.16/x
  3. Step 3: Cross multiply
    51,228.90x = 70,695.57 × 28,568.16
  4. Step 4: Simplify right side
    51,228.90x = 2,019,642,355.05
  5. Step 5: Solve for x
    x = 2,019,642,355.05/51,228.90
  6. Step 6: Final answer
    x = 39,423.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.